A High Cliff on Comet Churyumov Gerasimenko
This high cliff occurs not on a planet, not on a moon, but on a comet.It was discovered to be part of the dark nucleus of Comet Churyumov-Gerasimenko (CG) by Rosetta, a robotic spacecraft launched by ESA that rendezvoused with the Sun-orbiting comet in 2014. The ragged cliff, as featured here, was imaged by Rosetta in 2014.
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